| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-ID: <20260130170416.49994-1-abbotti@mev.co.uk> Date: Fri, 30 Jan 2026 16:47:25 +0000 From: Ian Abbott <abbotti@....co.uk> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Ian Abbott <abbotti@....co.uk>, H Hartley Sweeten <hsweeten@...ionengravers.com> Subject: [PATCH 00/46] comedi: Add some I/O base address sanity checks COMEDI devices for ISA cards are configured manually at run-time (with admin privileges) to set the I/O port base address and other settings. Currently, the low-level COMEDI drivers accept any base address as long as the region can be successfully requested, but most boards have DIP switches or jumpers to set the base address and have limitations on the allowed range and alignment of the base address. Use information from the user manuals (where available) to get these limitations, and add sanity checks to the drivers to check the base address. These use a couple of new functions `comedi_check_request_region()` and `__comedi_check_request_region()` to check the base address range and alignment and request the region. They are based on the existing `comedi_request_region()` and `__comedi_request_region()` functions that do not have the range and alignment checks. The functions without the `__` prefix also store the base address and length in the main COMEDI device structure. 01) comedi: add comedi_check_request_region() 02) comedi: 8255: Add some I/O base address sanity checks 03) comedi: adq12b: Add sanity checks for I/O base address 04) comedi: aio_aio12_8: Add sanity checks for I/O base address 05) comedi: aio_iiro_16: Add sanity checks for I/O base address 06) comedi: amplc_dio200: Add sanity checks for I/O base address 07) comedi: amplc_pc236: Add sanity checks for I/O base address 08) comedi: amplc_pc263: Add sanity checks for I/O base address 09) comedi: c6xdigio: Add sanity checks for I/O base address 10) comedi: comedi_parport: Add sanity checks for I/O base address 11) comedi: dac02: Add sanity checks for I/O base address 12) comedi: das08_isa: Add sanity checks for I/O base address 13) comedi: das16: Add sanity checks for I/O base address 14) comedi: das16m1: Add sanity checks for I/O base address 15) comedi: das1800: Add sanity checks for I/O base address 16) comedi: das6402: Add sanity checks for I/O base address 17) comedi: das800: Add sanity checks for I/O base address 18) comedi: dmm32at: Add sanity check for I/O base address 19) comedi: dt2801: Add sanity checks for I/O base address 20) comedi: dt2811: Add sanity checks for I/O base address 21) comedi: dt2814: Add sanity checks for I/O base address 22) comedi: dt2815: Add sanity checks for I/O base address 23) comedi: dt2817: Add sanity checks for I/O base address 24) comedi: fl512: Add sanity checks for I/O base address 25) comedi: mpc624: Add sanity checks for I/O base address 26) comedi: multiq3: Add sanity checks for I/O base address 27) comedi: ni_at_a2150: Add sanity checks for I/O base address 28) comedi: ni_at_ao: Add sanity checks for I/O base address 29) comedi: ni_atmio: Add sanity checks for I/O base address 30) comedi: ni_atmio16d: Add sanity checks for I/O base address 31) comedi: ni_labpc: Add sanity checks for I/O base address 32) comedi: pcl711: Add sanity checks for I/O base address 33) comedi: pcl724: Add sanity checks for I/O base address 34) comedi: pcl726: Add sanity checks for I/O base address 35) comedi: pcl730: Add sanity checks for I/O base address 36) comedi: pcl812: Add sanity checks for I/O base address 37) comedi: pcl816: Add sanity checks for I/O base address 38) comedi: pcl818: Add sanity checks for I/O base address 39) comedi: pcm3724: Add sanity checks for I/O base address 40) comedi: pcmad: Add sanity checks for I/O base address 41) comedi: pcmda12: Add sanity checks for I/O base address 42) comedi: pcmmio: Add sanity checks for I/O base address 43) comedi: pcmuio: Add sanity checks for I/O base address 44) comedi: rti800: Add sanity checks for I/O base address 45) comedi: rti802: Add sanity checks for I/O base address 46) comedi: s526: Add sanity checks for I/O base address drivers/comedi/drivers.c | 46 +++++++++++++++++++++------- drivers/comedi/drivers/8255.c | 10 ++++--- drivers/comedi/drivers/adq12b.c | 3 +- drivers/comedi/drivers/aio_aio12_8.c | 3 +- drivers/comedi/drivers/aio_iiro_16.c | 3 +- drivers/comedi/drivers/amplc_dio200.c | 3 +- drivers/comedi/drivers/amplc_pc236.c | 3 +- drivers/comedi/drivers/amplc_pc263.c | 3 +- drivers/comedi/drivers/c6xdigio.c | 4 ++- drivers/comedi/drivers/comedi_parport.c | 4 ++- drivers/comedi/drivers/dac02.c | 3 +- drivers/comedi/drivers/das08_isa.c | 3 +- drivers/comedi/drivers/das16.c | 31 +++++++++++++++---- drivers/comedi/drivers/das16m1.c | 3 +- drivers/comedi/drivers/das1800.c | 3 +- drivers/comedi/drivers/das6402.c | 3 +- drivers/comedi/drivers/das800.c | 3 +- drivers/comedi/drivers/dmm32at.c | 22 ++++++++++++-- drivers/comedi/drivers/dt2801.c | 3 +- drivers/comedi/drivers/dt2811.c | 3 +- drivers/comedi/drivers/dt2814.c | 3 +- drivers/comedi/drivers/dt2815.c | 3 +- drivers/comedi/drivers/dt2817.c | 3 +- drivers/comedi/drivers/dt282x.c | 7 ++++- drivers/comedi/drivers/fl512.c | 8 ++++- drivers/comedi/drivers/mpc624.c | 3 +- drivers/comedi/drivers/multiq3.c | 3 +- drivers/comedi/drivers/ni_at_a2150.c | 3 +- drivers/comedi/drivers/ni_at_ao.c | 3 +- drivers/comedi/drivers/ni_atmio.c | 3 +- drivers/comedi/drivers/ni_atmio16d.c | 3 +- drivers/comedi/drivers/ni_labpc.c | 3 +- drivers/comedi/drivers/pcl711.c | 6 +++- drivers/comedi/drivers/pcl724.c | 22 +++++++++++++- drivers/comedi/drivers/pcl726.c | 12 ++++++-- drivers/comedi/drivers/pcl730.c | 49 ++++++++++++++++++++++++++++-- drivers/comedi/drivers/pcl812.c | 22 +++++++++++++- drivers/comedi/drivers/pcl816.c | 3 +- drivers/comedi/drivers/pcl818.c | 27 +++++++++++++++-- drivers/comedi/drivers/pcm3724.c | 3 +- drivers/comedi/drivers/pcmad.c | 3 +- drivers/comedi/drivers/pcmda12.c | 9 +++++- drivers/comedi/drivers/pcmmio.c | 3 +- drivers/comedi/drivers/pcmuio.c | 5 ++-- drivers/comedi/drivers/rti800.c | 3 +- drivers/comedi/drivers/rti802.c | 3 +- drivers/comedi/drivers/s526.c | 3 +- include/linux/comedi/comedidev.h | 53 ++++++++++++++++++++++++++++++--- 48 files changed, 355 insertions(+), 75 deletions(-)
Powered by blists - more mailing lists